Home / 8,946.79-13,408.58-3,675.84

Finding the Fourth Proportional to 8,946.79, 13,408.58 and 3,675.84

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Solution

The fourth proportional to 8,946.79, 13,408.58 and 3,675.84 is: 5,508.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946.79 : 13,408.58 = 3,675.84 : x
  2. Step 2: Convert to fraction form
    8,946.79/13,408.58 = 3,675.84/x
  3. Step 3: Cross multiply
    8,946.79x = 13,408.58 × 3,675.84
  4. Step 4: Simplify right side
    8,946.79x = 49,287,794.71
  5. Step 5: Solve for x
    x = 49,287,794.71/8,946.79
  6. Step 6: Final answer
    x = 5,508.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.